Sullivan County Tax Assessor

Sullivan Tax Assessor offices are responsible to carry out the mandate of New York in Sullivan county. The law mandates that all real properties are subject to taxation unless exemption is imposed. Tax assessments are necessary in support to the required services to NY residents. Tax assessments go to services such as those provided for law enforcement, education, fire protection, parks and recreation, and many more.

The Sullivan county directory portal for local tax assessor offices provides a comprehensive guide to the public. The site includes the name of the assigned tax assessor office for easy reference and related transaction.

Sullivan Tax Assessor: Sullivan County Real Property Tax Services

Tax Assessor Office Address: 100 North St., Monticello, NY 12701

Phone: (845) 807-0221

Fax: (845) 807-0232


Zip Code: 845

Office Hours: Eastern

Schedule an Appointment with Sullivan County, New York Property Tax Assessor

The Sullivan county, NY tax assessor office provides the necessary services to estimate the real property value within its jurisdiction. The property value is an essential component in computing the property tax bills. The Sullivan tax assessor office is also tasked to provide supplemental bills, business property taxes, and other vital information for transparency.

Contact your Sullivan tax assessor office for tax information and other related inquiries and concerns.